Answer:
In the election of 1800, the Federalist incumbent John Adams ran against the rising Republican Thomas Jefferson. ... Unfortunately，Jefferson and his vice-presidential running mate Aaron Burr both received the identical number of electoral votes, and the House of Representatives voted to break the tie
With a few exceptions the world's 45 landlocked countries are poor. In spite of technological improvements in transport, landlocked developing countries continue to face structural challenges to accessing world markets. As a result, landlocked countries often lag behind their maritime neighbors in overall development and external trade.
D. Vietnam has never had truly free and democratic elections. In fact, the US was notable for effectively preventing voters in South Vietnam from voting for unification with North Vietnam in 1956.
